Ludlamite and Taaffeite Physical Properties

Ludlamite

Taaffeite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.23.60-3.61

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

Vitreous, pearly on cleavage

Imperfect/fair/absent

1.7 Mohs Hardness

3-48-8.5

2 10

1.8 Chemical Composition

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Ludlamite and Taaffeite Chemical Formula

While comparing Ludlamite and Taaffeite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Ludlamite and Taaffeite chemical formula.

Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

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Ludlamite and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.